Which client should the nurse assess first among those assigned for the shift?

The correct choice is to assess the client with emphysema on 2 L/min oxygen first due to the potential for acute respiratory issues. In patients with emphysema, maintaining adequate oxygenation is critical, particularly since they may have compromised lung function and are at an increased risk for respiratory distress. Adequate breathing support is essential to avoid complications such as hypoxia or hypercapnia, which can escalate quickly and become life-threatening.

In contrast, while the other clients require attention, they do not present with immediate risks to their respiratory status. The client post barium enema may require monitoring for gastrointestinal effects, but this situation is typically less urgent than respiratory compromise. The client needing daily dressing changes may have ongoing care needs but is stable and does not have urgent physiological concerns. Similarly, the client recently discharged after angioplasty should be monitored for potential complications, but this situation typically allows for a longer assessment window compared to the immediate needs of a patient experiencing respiratory issues. Therefore, prioritizing the assessment of the client with emphysema is aligned with nursing practice standards that emphasize addressing life-threatening conditions first.